Professional Mariner, 70 Amp Isolator, 2 Alt. 3 Batteries

Operates on 6, 12, 24 & 32 volt negative ground systems. Electrical current able to flow from DC source to batteries in one direction only. Allows one or two devices (depending on isolation model) to charge multiple battery banks without the banks being connected. NOTE: All isolators impose a 0.6 volt drop in the circuit.